Did you mean: beishi bishu baishu beichu beizhu beisha beishou bishi ?
倍数 |
bèi shù |
multiple / multiplier / factor |
背书 |
bèi shū |
to recite (a text) from memory; to learn a text by heart / to back; to endorse (a political candidate, product, check etc) / backing; endorsement |
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